[jira] [Comment Edited] (YARN-5048) DelegationTokenRenewer#skipTokenRenewal may throw NPE

["Yongjun Zhang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-5048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15273372#comment-15273372 ] 

Yongjun Zhang edited comment on YARN-5048 at 5/6/16 12:20 AM:
--------------------------------------------------------------

Thanks for the explanation [~jianhe].  
I'm about to +1, but saw some test failures. Would you please check on? thanks.




was (Author: yzhangal):
Thanks for the explanation [~jianhe]. I'm +1 on your patch.


> DelegationTokenRenewer#skipTokenRenewal may throw NPE 
> ------------------------------------------------------
>
>                 Key: YARN-5048
>                 URL: https://issues.apache.org/jira/browse/YARN-5048
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jian He
>            Assignee: Jian He
>         Attachments: YARN-5048.1.patch
>
>
> {{((Token<AbstractDelegationTokenIdentifier>)token).decodeIdentifier()}} may throw NPE if RM does not have the corresponding toke kind class.



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